The Counties of Idaho

• Ada
• Adams
• Bannock
• Bear Lake
• Benewah
• Bingham
• Blaine
• Boise
• Bonner
• Bonneville
• Boundary
• Butte
• Camas
• Canyon
• Caribou

• Cassia
• Clark
• Clearwater
• Custer
• Elmore
• Franklin
• Fremont
• Gem
• Gooding
• Idaho
• Jefferson
• Jerome
• Kootenai
• Latah
• Lemhi

• Lewis
• Lincoln
• Madison
• Minidoka
• Nez Perce
• Oneida
• Owyhee
• Payette
• Power
• Shoshone
• Teton
• Twin Falls
• Valley
• Washington

• Regional: United States: Idaho: Cities 
• Regional: United States: Idaho: Regions 

• Digital Atlas of Idaho: Counties  - Gives a map and location for each county with information on the divisions.
• Idaho Association of Counties  - Agency working with local governments in the state to effectively implement community plans.
• Idaho Counties  - List of counties found in Idaho with access to online tax payment.
• Idaho Counties  - Listing of public records listings for each county. Includes contact and location details.
• Idaho Genealogy  - Links to counties for the purpose of genealogy research. Offers links to genealogy societies, genweb, tombstone project, and archives.